{"metadata": {"vulnerability": "CVE-2026-30754", "count": 23, "kinds": {"milestone": 9, "sighting": 1, "kev": 0, "other": 13}}, "data": [{"timestamp": "2026-03-04T00:00:00Z", "date_only": false, "value": "2026-03-04T00:00:00.000Z", "kind": "milestone", "label": "Reserved", "source": "cvelistv5", "record": "CVE-2026-30754", "field": "cveMetadata.dateReserved"}, {"timestamp": "2026-09-04T18:18:50.081Z", "date_only": false, "value": "2026-09-04T18:18:50.081057Z", "kind": "sighting", "label": "Seen", "source": "https://gist.github.com/momo-trip/4cddf2c9e15600873de55259dac6b0e6", "record": "CVE-2026-30754", "field": "creation_timestamp", "uuid": "97e279b3-9808-43b4-867a-494f6a7a915f", "content": "\n# CVE-2026-30754\n\n**Vulnerability Type:** Buffer Overflow (negative size parameter passed to memcpy)\n\n**Vendor of Product:** FFmpeg\n\n**Affected Product Code Base:** FFmpeg, version N-121478-g535d4047d3 and prior\n\n**Affected Component:** libavformat/rtpenc_h264_hevc.c (nal_send function)\n\n**Attack Type:** Local\n\n**Impact:** Code execution\n\n**Attack Vectors:** A crafted input file is processed with the following command:\n\n`ffmpeg -c copy -f rtp rtp://127.0.0.1:1234 -i input`\n\n**Description:**\n\nA memory corruption vulnerability exists in FFmpeg before 8.1. In the `nal_send` function in `libavformat/rtpenc_h264_hevc.c`, a negative size parameter (`size=-3`) is passed to `memcpy` when transmitting H.264/HEVC streams via RTP using a crafted input file. This was detected using AddressSanitizer.\n\n**Has vendor confirmed:** Yes. Reported to the FFmpeg security team and confirmed.\n\n**Discoverers:** Momoko Shiraishi, Yuto Inoue, Kosuke Fujioka, Takahiro Shinagawa, Yinzhi Cao\n\n**References:**\n\n- Detailed report (reproduction steps and AddressSanitizer output): https://github.com/momo-trip/bug-report/issues/45\n- Upstream fix: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20746\n", "url": "https://gist.github.com/momo-trip/4cddf2c9e15600873de55259dac6b0e6"}, {"timestamp": "2026-09-08T00:00:00Z", "date_only": false, "value": "2026-09-08T00:00:00.000Z", "kind": "milestone", "label": "Published", "source": "cvelistv5", "record": "CVE-2026-30754", "field": "cveMetadata.datePublished", "metric_role": "disclosure", "metric_basis": "recorded_event"}, {"timestamp": "2026-09-08T20:28:40.602Z", "date_only": false, "value": "2026-09-08T20:28:40.602Z", "kind": "other", "label": "Updated", "source": "cvelistv5 / mitre", "record": "CVE-2026-30754", "field": "containers.cna.providerMetadata.dateUpdated"}, {"timestamp": 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